A.Cranes/derricks
B.Crane/derrick cycles
C.Crane/derrick cycle time
D.Weight per package
您可能感興趣的試卷
你可能感興趣的試題
A.Date and description of each failure
B.Average load in pounds for each usage
C.Total number of lifts for each usage
D.All of the above
A.less jerky starts
B.less jerky stops
C.overheating worries
D.none of the overheating worries
A.breaking a cargo runner
B.parting guys topping lifts
C.carrying away a block
D.overheating the resistors and eventually burning out
A.the speed to be retarded by the friction brake
B.a load to go downward at full speed
C.the circuit breaker to turn off
D.the resistors to overheat and eventually burn out
A.International Cargo Bureau Regulations
B.Load Line Regulations
C.Rules and Regulations for Cargo and Miscellaneous Vessels
D.Vessel's classification society rules and regulations
最新試題
On no account（）to be exceeded.
The net productivity per gang-hour can be improved through a decrease of（）.
What is the purpose of the equalizing beam aboard a crane vessel（）.
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom（）.
The item（）is not the advantage of the hydraulic winch．
How should you signal the crane operator to lower the boom and raise the load（）.
When instructing a crew member concerning the right way to lift a weight，you would instruct him to（）.
The Master or person in charge of a ship shall ensure the crane record book shows the（）.
What is meant by the term“l(fā)uffing the boom”of a crane（）．
How should you signal the crane operator to hoist（）.